RV & Motorhome Tire Guide

Your source for RV tire sizing, load, and safety information.

By TireCalculatorHub Editorial TeamUpdated: February 21, 2026

About This Hub

Your RV or motorhome's tires are critical for safety and comfort on long journeys. This hub provides access to tools for understanding RV tire sizes (often ST or LT rated), checking Load Index and Load Range to ensure adequate capacity for your fully loaded vehicle, calculating Tire Age from the DOT code (RVs tires often age out), and converting pressure units for precise inflation. Includes important considerations for RV tire maintenance, inspection, and replacement schedules.

RV & Motorhome Tire Hub

Essential tools and information for RV, motorhome, and camper tires.

Key Tools for RV Owners

Safe travels start with safe tires. Your RV's tires are critical for safety and comfort on long journeys. This hub provides access to essential tools:

Universal Tire Converter

Input your RV tire size (often LT or specific RV sizes) to understand its full dimensions.

Load Index & Capacity

Crucial for RVs: Determine the maximum load capacity of your tires using their load index.

Tire Age (DOT Code)

RV tires often age out before wearing out. Use the DOT code to check their manufacturing date.

PSI ↔ kPa Converter

Maintain correct inflation. Convert pressures if your gauge or specs use different units.

Key Tips for RV Tires:

Load is Paramount: Always ensure your RV tires meet or exceed the vehicle's GVWR (Gross Vehicle Weight Rating) and GAWR (Gross Axle Weight Rating). Weigh your RV when fully loaded for a trip to ensure you are within limits. The load index chart and the load range to ply rating converter explain the sidewall figures.
Check Tire Age: NHTSA says tire aging is a greater concern for recreational vehicles and other vehicles you do not drive regularly, and that some vehicle and tire manufacturers recommend replacing tires that are six to 10 years old regardless of treadwear. Use our Tire Age Calculator to check.
Inflation Pressure: Inflate RV tires to the pressure indicated on the vehicle's placard for the load being carried. Check pressures when the tires are cold. The PSI to kPa converter handles units.
RV-Specific Tires: Use tires specifically designated for RVs (often LT or ST types), as they have stronger sidewalls to handle heavy loads and the stresses of RV use.

Prioritize safety by ensuring your RV tires are in top condition for your next journey!

Disclaimer: All tools and information provided on TireCalculatorHub are for informational purposes only. Always consult with a qualified professional before making decisions about your vehicle's tires or modifications. TireCalculatorHub is not liable for any damages or issues arising from the use of information or tools on this website.